An electric heater is used to melt a block of ice of mass 1.5kg. If the heater is powered by a 12v battery and a current of 20A flows through the coil, calculate the time taken to melt the block of ice. (Specific latent heat of fusion of ice = 336 x 103 kg )

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An electric heater is used to melt a block of ice of mass 1.5kg. If the heater is ...

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